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[Cluster-devel] [PATCH] [DLM] Clear othercon pointers when a connection is closed



From: Patrick Caulfield <pcaulfie redhat com>

This patch clears the othercon pointer and frees the memory when a connnection
is closed. This could cause a small memory leak when nodes leave the cluster.

Signed-Off-By: Patrick Caulfield <pcaulfie redhat com>
Signed-off-by: Steven Whitehouse <swhiteho redhat com>

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index dd36273..d15fd5f 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -327,6 +327,8 @@ static void close_connection(struct connection *con, bool and_other)
 	if (con->othercon && and_other) {
 		/* Will only re-enter once. */
 		close_connection(con->othercon, false);
+		kmem_cache_free(con_cache, con->othercon);
+		con->othercon = NULL;
 	}
 	if (con->rx_page) {
 		__free_page(con->rx_page);
-- 
1.5.1.2


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